Other, less common melatonin side effects might include abdominal discomfort, mild anxiety, irritability, confusion and short-lasting feelings of depression. In addition, melatonin supplements can interact with various medications, including: Blood-thinning medications (anticoagulants)
The rib cage also contains muscles with an expiratory action. These are the internal intercostal muscles, which slope backward; contraction causes the ribs to move downward and inward, similar to the lowering of a bucket handle.Both internal and external intercostal muscles are also involved in flexing and twisting the trunk.Read more about Breathe Strong, Perform Better.ntercostal muscle contraction also brings about stiffening of the rib cage during lifting, pushing, and pulling movements, which makes the intercostal muscles an important contributor to these movements.
The intercostal muscles lie between the ribs. When you exhale, these muscles contract, and in conjunction with the abdominal muscles, the lungs contract and air is forced up v â¦ ia a positive pressure gradient.here are three levels of intercostal muscles all situated between the ribs. The layers are named according to depth into the thorax, the outer (or external) intercostal being the most superficial the inner (or internal) intercostals being in the middle and the innermost intercostal being the deepest.